THE EFFECTS OF INCORPORATING VEHICLE ACCELERATION EXPLICITLY INTO A MICROSCOPIC TRAFFIC SIMULATION MODEL

A P Burger, M D Einhorn, J H van Vuuren

Abstract


Explicitly incorporating individual vehicle acceleration into a traffic simulation model is not a trivial task, and typically results in a considerable increase in model complexity. For this reason, alternative implicit techniques have been introduced in the literature to compensate for the delay times associated with acceleration. In this paper, the claim is investigated that these implicit modelling techniques adequately account for the time delays due to vehicle acceleration; the modelling techniques are implemented in a simulated environment, and compared with models in which vehicle acceleration has been incorporated explicitly for a number of traffic network topologies and traffic densities. It is found that considerable discrepancies may result between the two approaches.


Keywords


Vehicle accelerations; traffic control; simulation

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DOI: https://doi.org/10.7166/24-2-482

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Copyright (c) 2015 The South African Journal of Industrial Engineering


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